



<template>
  <div id="app">
    <a-input placeholder="请输入任务" class="my_ipt" :value='inputValue'  @change='handleInputChange' />
    <a-button type="primary" @click='addToList'>添加事项</a-button>

    <a-list bordered :dataSource="infolist" class="dt_list">
      <a-list-item slot="renderItem" slot-scope="item">
        <!-- 复选框 -->
        <a-checkbox :checked='item.done' @change="(e)=>{cbstatusChanged(e,item.id)}">{{item.info}}</a-checkbox>
        <!-- 删除链接 -->
        <a slot="actions" @click='removeItem(item.id)'>删除</a>
      </a-list-item>

      <!-- footer区域 -->
      <div slot="footer" class="footer">
        <!-- 未完成的任务个数 -->
        <span>{{unDonelength}}条剩余</span>
        <!-- 操作按钮 -->
        <a-button-group>
          <a-button :type="viewKey === 'all' ? 'primary':'default'"   @click='changelist("all")'>全部</a-button>
          <a-button :type="viewKey==='undone'?'primary':'default'" @click='changelist("undone")'>未完成</a-button>
          <a-button :type="viewKey==='done'?'primary':'default'" @click='changelist("done")' >已完成</a-button>
        </a-button-group>
        <!-- 把已经完成的任务清空 -->
        <a @click='clean'>清除已完成</a>
      </div>
    </a-list>
  </div>
</template>

<script>
import {mapState,mapGetters} from 'vuex'
export default {
  name: 'app',
  data() {
    return {
     
    }  
  },
  computed:{
    ...mapState(['list','inputValue','viewKey']),
    ...mapGetters(['unDonelength','infolist'])
  },
  created() {
    this.$store.dispatch('getlist')
  },
  methods:{
    handleInputChange(e){
      console.log(e.target.value);  
      this.$store.commit('setInputValue',e.target.value)  
    },
  addToList(){
    if(this.inputValue.trim().length<=0){
      return this.$message.warning('文本框不能为空')
    }
    this.$store.commit('addItem')
  },
  removeItem(id){
   this.$store.commit('removeItem',id)
  },
  //监听复选框
  cbstatusChanged(e,id){
    //最新的选中状态
    console.log(e.target.checked);
    console.log(id);
    const param={
      id:id,
      status:e.target.checked
    }
    this.$store.commit('changeStatus',param)

  },
  //清除未完成任务
  clean(){
    this.$store.commit('cleanDone')
  },
  changelist(key){
    console.log(key);
    this.$store.commit('changeViewkey',key)
  },
 
  
  }
}
</script>

<style scoped>
#app {
  padding: 10px;
}

.my_ipt {
  width: 500px;
  margin-right: 10px;
}

.dt_list {
  width: 500px;
  margin-top: 10px;
}

.footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
</style>
